1228231148 has 6 divisors (see below), whose sum is σ = 2149404516. Its totient is φ = 614115572.

The previous prime is 1228231141. The next prime is 1228231183. The reversal of 1228231148 is 8411328221.

It is not an unprimeable number, because it can be changed into a prime (1228231141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153528890 + ... + 153528897.

It is an arithmetic number, because the mean of its divisors is an integer number (358234086).

Almost surely, 2^1228231148 is an apocalyptic number.

It is an amenable number.

1228231148 is a deficient number, since it is larger than the sum of its proper divisors (921173368).

1228231148 is a wasteful number, since it uses less digits than its factorization.

1228231148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307057791 (or 307057789 counting only the distinct ones).

The product of its digits is 6144, while the sum is 32.

The square root of 1228231148 is about 35046.1288589767. The cubic root of 1228231148 is about 1070.9274132519.

Adding to 1228231148 its reverse (8411328221), we get a palindrome (9639559369).

The spelling of 1228231148 in words is "one billion, two hundred twenty-eight million, two hundred thirty-one thousand, one hundred forty-eight".